This is a hard problem to solve, a so-called NP-hard problem (NP-problem stands for 'Non-deterministic Polynomial acceptable problems'), meaning that they cannot be solved in polynomial time. In order to estimate how many items you can fit, you need to determine the optimal way to stack them so that you minimize unused volume in the container. Dimensions of standard container types Container Type Since each manufacturer produces slightly different containers, if you know the exact dimensions and maximum load capacity, then it is best to specify them using our container calculator's 'Custom' option. The maximum payload is calculated based off the ISO standard, subtracting common tare weights. The internal dimensions are slightly different than the minimum internal size in ISO 668:2013, since in practice most manufacturers will deliver containers with larger internal dimensions (higher capacity, larger internal volume) than the minimum specs. The table represents the dimensions of the 8 standard container types that are predefined in our calculator.

See below for a list of the standard sizes & maximum cargo weight. For each of them we also have an estimate of the maximum load, so if you were to enter the weight of the item we will also calculate the overall cargo weight and warn you if it goes over the maximum container weight capacity.

While complex ordering can, in some cases, lead to stacking slightly more items, it is also more difficult for the people filling the containers to follow precisely.įor your convenience we have entered 8 of the most widely used container sizes in international shipping, so that you can perform the calculations quicker. Currently it only supports simple stacking, meaning that each item will be placed next to the other, no complex rotations or ordering. This is a fairly simple container loading calculator: it allows you to calculate how many items of the same dimensions and weight (optional) you can fit in a single shipping container.

Container loading: internal stacking calculation.

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